4,527 research outputs found
Supersymmetric Higgs Boson Decays in the MSSM with Explicit CP Violation
Decays into neutralinos and charginos are among the most accessible
supersymmetric decay modes of Higgs particles in most supersymmetric extensions
of the Standard Model. In the presence of explicitly CP--violating phases in
the soft breaking sector of the theory, the couplings of Higgs bosons to
charginos and neutralinos are in general complex. Based on a specific benchmark
scenario of CP violation, we analyze the phenomenological impact of explicit CP
violation in the Minimal Supersymmetric Standard Model on these Higgs boson
decays. The presence of CP--violating phases could be confirmed either directly
through the measurement of a CP--odd polarization asymmetry of the produced
charginos and neutralinos, or through the dependence of CP--even quantities
(branching ratios and masses) on these phases.Comment: 14 pages, latex, 4 eps figure
Pseudo Wigner-Ville Distribution, Computer program and its Applications to Time-Frequency Domain Problems
Machinery operating in non-stationary mode generates a signature which at each instant of time has a distinct frequency. A time-frequency domain representation is needed to characterize such signature. Pseudo Wigner-Ville distribution is ideally suited for portraying non-stationary signal in the time- frequency domain and carried out by adapting the fast Fourier transform algorithm. The important parameters affecting the pseudo Wigner-Ville distribution are discussed and sensitivity analyses are also performed. Practical examples of an actual transient signal are used to illustrate its dynamic features jointly in time and frequency.Naval Sea Systems Commandhttp://archive.org/details/pseudowignervill00jeonNaval Sea Systems CommandApproved for public release; distribution is unlimited
Erratum: Dirichlet Forms and Dirichlet Operators for Infinite Particle Systems: Essential Self-adjointness
We reprove the essential self-adjointness of the Dirichlet operators of
Dirchlet forms for infinite particle systems with superstable and
sub-exponentially decreasing interactions.Comment: This is an erratum to the work appeared in J. Math. Phys. 39(12),
6509-6536 (1998
Vortex solutions of a Maxwell-Chern-Simons field coupled to four-fermion theory
We find the static vortex solutions of the model of Maxwell-Chern-Simons
gauge field coupled to a (2+1)-dimensional four-fermion theory. Especially, we
introduce two matter currents coupled to the gauge field minimally: the
electromagnetic current and a topological current associated with the
electromagnetic current. Unlike other Chern-Simons solitons the N-soliton
solution of this theory has binding energy and the stability of the solutions
is maintained by the charge conservation laws.Comment: 7 pages, harvmac, To be published in Phys. Rev. D5
Obstructed D-Branes in Landau-Ginzburg Orbifolds
We study deformations of Landau-Ginzburg D-branes corresponding to obstructed
rational curves on Calabi-Yau threefolds. We determine D-brane moduli spaces
and D-brane superpotentials by evaluating higher products up to homotopy in the
Landau-Ginzburg orbifold category. For concreteness we work out the details for
lines on a perturbed Fermat quintic. In this case we show that our results
reproduce the local analytic structure of the Hilbert scheme of curves on the
threefold.Comment: 44 pages; v3: typos correcte
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